查询词典 detection

This thesis performs deep and micromesh work in the key problems of chaotic oscillator detection system, which include analysis, output identification, noise immunity and constructive principle of chaotic oscillator detection system.

本文对混沌振子检测系统中的几个关键问题展开了深入和细致的研究，主要包括混沌振子检测系统的一些特性分析、输出判别、噪声的免疫特性、构成原理这几方面的问题。

The relation of single user detection and multiuser detection is also analyzed.

与单用户检测方法相比其误码率有相当的改进。

Because of the good detection performance and practicability, this proposed method could probably become an efficient detection tool for nanogram level proteins and provide the technical fundamental for the study of immunoassay and protein chip.

鉴于其优良的检测性能和实用性，纳米粒子共振光散射探针可能成为检测纳克级蛋白质的有效工具，并为免疫分析及其生物芯片的检测提供一个操作简便、高灵敏度的技术平台。

Results: l、The optimal scan parameters for chinese people are flow rate of 3. 0 mL/sec and total injection 125ml. 2、Visibility of coronary arteries and segments: only those proximal and mid segment is image quality sufficient to allow a semiquantitative assessment. 3、Detection of Atherosclerotic Plaque: CT coronary imaging revealed highest sensitivities for the detection of atherosclerotic wall changes the sensitivity of stenoses was 86. 3％. 4、MSCT coronary angiography is easy to prove the entire anatomic structure of coronary and it is an effective technique for evaluating coronary patency. 5、MSCT coronary angiography correctly identified all normal controls and all patients with coronary artery fistula. The anatomic course of the coronary artery fistula was correctly classified. 6、A11 severe lesion could be visualised by

结果：1、不同的扫描技术参数所获得的造影图像质量不同，注射速率3.0ml/s组以及125m1对比剂总量组比较适合国内患者。2、多层螺旋CT冠状动脉造影可显示冠状动脉的主要分支，尤其是冠状动脉的近、中段，显示率在90％以上。3、多层螺旋CT冠状动脉造影对狭窄病变的敏感性为87.3％，能检出冠状动脉造影不易发现的细小斑块，判断狭窄的原因及斑块的特征。4、多层螺旋CT冠状动脉造影可显示搭桥血管的形态、位置及通畅程度，显示桥血管及支架的内腔，安全便捷。5、多层螺旋CT显示冠状动脉畸形准确性高（3/3），多种成像方法可弥补冠状动脉造影显示的不足。6、仿真内窥镜可显示冠状动脉内膜和内腔，显示狭窄斑块的性质。

A simulation is present to compare detection probability of sonobuoys array between produced by GA and standard method, and the results indicates that the GA can achieve a significant improvement in detection probability.

仿真分析了按经验布放的传统浮标阵和GA优化阵形的探测效能，结果表明该算法在复杂水声环境条件下，能有效提高被动浮标阵的探测概率。关键词反潜战；浮标布阵；遗传算法

For anti-submarine misson, advanced submarine detection sensors, such as directional frequency and ranging sonobuoys and magnetic anomaly detection equipment are equiped in P-3C.

为完成反潜任务，P-3C安装了大量先进的潜艇探测传感器，诸如定位声纳浮标、磁异常探测器等。

Baesd on the theory that moving target detectability can be enhanced by joint space-time processing with the application of frequency features and targets' characteristics, we focus our attention on particularies of sonars' target detection using underwater acoustic techniques and vehicle detection using computer vision tec

本文注重在理论指导下的特殊性研究，即在联合利用时间信息、空间信息、频率信息以及目标特征能够提高运动目标检测能力的思想指导下，分别研究了声纳的运动目标检测和基于计算机视觉的交通车辆检测。

The principle of the novel single-phase hybrid active power filter is described in detail. Based on the above analysis, Kalman filtering approach for estimation of harmonics is presented to improve the speed and precision of harmonic detection, and it also can avoid the influence made by voltage distortion on harmonic detection. A new current control strategy based on energy balance is presented to regulate the active part absorbing or releasing active power and control the inverter to produce current opposite to the harmonic current reflowing in injection branch, the above method combined with harmonic current tracking control that keeps the stabilization of dc-side voltage and improve the reliability of the system.

并详细分析了系统的滤波原理，提出了基于卡尔曼增益自调整的改进型动态谐波含量估计方法，能够快速准确的跟踪检测电网谐波电流，并且克服了电力机车等冲击性负荷引起的电网电压畸变对谐波检测精度的影响；提出了基于逆变器两侧能量平衡的电流控制方法使有源部分吸收或释放一定有功或无功功率及产生与注入支路回灌谐波电流相反的抑制电流，然后联合电网谐波电流跟踪控制以获得系统参考信号，保证了直流侧电压的稳定，提高了装置可靠性，增强了系统滤波性能。

Finished 0.5PITH FPC automatic detection machines, automatic feed from the vacuum tube, CCD, Good choice of fully automated non-performing products, KEYENCE CV3500 machine vision system using detection (with 17-inch color display), Yamaha manipulator, SMC pneumatic components, PLC control, PROFACE monochrome touch-screen operation, high degree of automation cycle 1.5S

0.5PITH FPC成品自动检测机，从真空管自动进料，CCD，良品不良品选择全自动化，该机采用KEYENCE CV3500视觉系统检测（带17吋彩色显示器），亚马哈机械手，SMC气动元件， PLC控制，PROFACE单色触摸屏操作，自动化程度高，周期1.5S

Nowadays, distributed intrusion detection system research based on the technology of agent and neural network becomes hotspot, software agent technology is considered as a very tool to develop intrusion detection system, especially its characteristic of Autonomy, Social Ability and Adaptability, and neural network technology gains more and more focus in respect that its pre-estimation to unknown network activities.

目前，基于Agent和神经网络技术的分布式入侵检测系统的研究成为业界热点，软件Agent技术因其所具有的良好的自治性、社会性、适应性，被视为在入侵检测系统中极为有用的技术之一，而神经网络技术则因其对未知网络行为的预判性，在入侵检测系统领域得到越来越多的关注。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。